YS3010, YS3020, YS3060 are domestically produced grating spectrophotometers independently developed by 3nh.The instruments are stable, accurate in color measurement and powerful in function. They led the way in the field of portable grating ...

1.Material: 18K Rose Gold 2.Stone: Blue Chalcedony, Diamonds ( available different color stone ) 3. We also can do the items as your request. 4.High quality ,various styles and competitive price ,make according to design 5.sample and small order ...

Air Quality Sensor CO2 Data logger for Temperature Humidity Carbon Dioxide 0-5000 ppm Main Features : Runs for six months on Two 3.6V lithium batteries Super Large LCD Display of CO2 level, temp, humidity, date and time High Precision Temperature-Humidity...